Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
1998-08-25
2001-10-09
Le, N. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S031000, C347S035000
Reexamination Certificate
active
06299279
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an ink jet printer and, more particularly, to a waste ink absorbing body for an ink jet printer.
Generally, an ink jet printer extensively used today includes a waste ink absorbing body for absorbing waste ink. Japanese Patent Laid-Open Publication No. 3-227658, for example, teaches a waste ink absorbing body received in a waste ink tank and implemented by a simple stack of blotting papers having a great ink absorbing and holding ability. However, the absorbing body taught in this document has a drawback that waste ink infiltrates conically into the blotting papers and sets in a conical configuration. As a result, substantial part of the absorbing body is simply wasted. Further, because the absorbing body locally absorbs the ink at its center portion, it needs a disproportionate capacity for an expected amount of ink absorption and therefore occupies substantial part of a limited space available in the body of an ink jet printer.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a waste ink absorbing body capable of absorbing waste ink efficiently and thereby reducing cost and space to be allocated thereto, and an ink jet printer using the same.
In accordance with the present invention, an ink absorbing body has a stack of a plurality of blotting papers. The blotting papers each is formed with a plurality of apertures.
Also, in accordance with the present invention, an ink jet printer includes an ink absorbing body in which a plurality of blotting papers each being formed with a plurality of apertures are stacked.
REFERENCES:
patent: 5113206 (1992-05-01), Fukasawa
patent: 5821955 (1998-10-01), Waschhauser
patent: 3-227658 (1991-10-01), None
patent: 404044861A (1992-02-01), None
Foley & Lardner
Hsieh Shih-Wen
Le N.
NEC Corporation
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